Table 2:

Characteristics of 69 ulcers detected by CE-MRA by reader 1 and TOF-MRA ulcer-detection percent for each characteristic

CharacteristicsDetected by CE-MRAaDetected by TOF-MRAb (among Those Detected by CE-MRA)
IQ score
    128 (41)18 (64)
    241 (59)27 (66)
Ulcer orientationc
    Perpendicular47 (68)28 (60)
    Distally pointing16 (23)15 (94)
    Proximally pointing6 (9)2 (33)
Ulcer location relative to point of maximum stenosisc
    Proximal36 (52)26 (72)
    Isolevel14 (20)5 (36)
    Distal19 (28)14 (74)
Ulcer location relative to FD
    Proximal18 (26)13 (72)
    Isolevel28 (41)19 (68)
    Distal23 (33)13 (57)
Ulcer circumferential location
    Opposite FD44 (64)29 (66)
    Along FD0 (0)0 (N/A)
    On sidewalls25 (36)16 (64)
Ulcer neck-to-depth ratioc1.61 (0.56)1.71 (0.57)
Ulcer volume index (mm3)c67.63 (66.50)81.83 (75.09)
Degree of stenosis (%)c27.16 (18.06)23.4 (16.10)
  • a Data are presented as number of ulcers (% of 69) or mean (SD).

  • b Data are presented as number of ulcers (% in category) or mean (SD).

  • c P < .05 in univariable regression model.